Assembly : mscorlib (dans mscorlib.dll)
Syntaxe<SerializableAttribute> _ <ComVisibleAttribute(True)> _ Public NotInheritable Class DriveInfo Implements ISerializable
Dim instance As DriveInfo
[SerializableAttribute] [ComVisibleAttribute(true)] public sealed class DriveInfo : ISerializable
[SerializableAttribute] [ComVisibleAttribute(true)] public ref class DriveInfo sealed : ISerializable
/** @attribute SerializableAttribute() */ /** @attribute ComVisibleAttribute(true) */ public final class DriveInfo implements ISerializable
SerializableAttribute ComVisibleAttribute(true) public final class DriveInfo implements ISerializable
NotesCette classe crée un lecteur et fournit des méthodes et des propriétés permettant d'exécuter des requêtes pour obtenir des informations de lecteur. Utilisez DriveInfo pour déterminer quels lecteurs sont disponibles et à quel type ils appartiennent. Vous pouvez également exécuter une requête pour déterminer la capacité du lecteur et l'espace disque dont il dispose.
ExempleL'exemple de code suivant illustre l'utilisation de la classe DriveInfo pour afficher des informations sur tous les lecteurs installés sur le système actuel.
Imports System Imports System.IO Class Test Public Shared Sub Main() Dim allDrives() As DriveInfo = DriveInfo.GetDrives() Dim d As DriveInfo For Each d In allDrives Console.WriteLine("Drive {0}", d.Name) Console.WriteLine(" File type: {0}", d.DriveType) If d.IsReady = True Then Console.WriteLine(" Volume label: {0}", d.VolumeLabel) Console.WriteLine(" File system: {0}", d.DriveFormat) Console.WriteLine( _ " Available space to current user:{0, 15} bytes", _ d.AvailableFreeSpace) Console.WriteLine( _ " Total available space: {0, 15} bytes", _ d.TotalFreeSpace) Console.WriteLine( _ " Total size of drive: {0, 15} bytes ", _ d.TotalSize) End If Next End Sub End Class 'This code produces output similar to the following: ' 'Drive A:\ ' File type: Removable 'Drive C:\ ' File type: Fixed ' Volume label: ' File system: FAT32 ' Available space to current user: 4770430976 bytes ' Total available space: 4770430976 bytes ' Total size of drive: 10731683840 bytes 'Drive D:\ ' File type: Fixed ' Volume label: ' File system: NTFS ' Available space to current user: 15114977280 bytes ' Total available space: 15114977280 bytes ' Total size of drive: 25958948864 bytes 'Drive E:\ ' File type: CDRom ' 'The actual output of this code will vary based on machine and the permissions 'granted to the user executing it.
using System; using System.IO; class Test { public static void Main() { DriveInfo[] allDrives = DriveInfo.GetDrives(); foreach (DriveInfo d in allDrives) { Console.WriteLine("Drive {0}", d.Name); Console.WriteLine(" File type: {0}", d.DriveType); if (d.IsReady == true) { Console.WriteLine(" Volume label: {0}", d.VolumeLabel); Console.WriteLine(" File system: {0}", d.DriveFormat); Console.WriteLine( " Available space to current user:{0, 15} bytes", d.AvailableFreeSpace); Console.WriteLine( " Total available space: {0, 15} bytes", d.TotalFreeSpace); Console.WriteLine( " Total size of drive: {0, 15} bytes ", d.TotalSize); } } } } /* This code produces output similar to the following: Drive A:\ File type: Removable Drive C:\ File type: Fixed Volume label: File system: FAT32 Available space to current user: 4770430976 bytes Total available space: 4770430976 bytes Total size of drive: 10731683840 bytes Drive D:\ File type: Fixed Volume label: File system: NTFS Available space to current user: 15114977280 bytes Total available space: 15114977280 bytes Total size of drive: 25958948864 bytes Drive E:\ File type: CDRom The actual output of this code will vary based on machine and the permissions granted to the user executing it. */
Sécurité .NET Framework- FileIOPermission pour l'accès aux informations de répertoire. Le constructeur de classe requiert cette autorisation. Énumération associée : PathDiscovery.
Sécurité des threads
Plates-formesWindows 98, Windows 2000 SP4, Windows Millennium Edition, Windows Server 2003, Windows XP Édition Media Center, Windows XP Professionnel Édition x64, Windows XP SP2, Windows XP Starter Edition
Le .NET Framework ne prend pas en charge toutes les versions de chaque plate-forme. Pour obtenir la liste des versions prises en charge, consultez Configuration requise.
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